An Iranian woman walks past an early 70s model of an Italian Maserati Merak S5 during a classic cars show at Saadabad palace in Tehran on August 5, 2014. About 70 classic cars belonging to individuals and private collectors are displayed. (AFP)

An Iranian man cleans his 1978 American Pontiac Trans AM during a classic cars show at Saadabad palace in Tehran on August 5, 2014. About 70 classic cars belonging to individuals and private collectors are displayed. (AFP)

An Iranian woman takes pictures next to a 1969 American Chevrolet Camaro RS during a classic cars show at Saadabad palace in Tehran on August 5, 2014. About 70 classic cars belonging to individuals and private collectors are displayed. (AFP)

An Iranian woman takes pictures next to a 1978 American Chevrolet Camaro LT during a classic cars show at Saadabad palace in Tehran on August 5, 2014. About 70 classic cars belonging to individuals and private collectors are displayed. (AFP)

An Iranian family takes pictures with a German 1961 convertible Mercedes Benz 300 SE during a classic cars show at Saadabad palace in Tehran on August 5, 2014. About 70 classic cars belonging to individuals and private collectors are displayed. (AFP)

An Iranian woman looks at a German 1961 convertible Mercedes Benz 300 SE during a classic cars show at Saadabad palace in Tehran on August 5, 2014. About 70 classic cars belonging to individuals and private collectors are displayed. (AFP)

Iranian men look at an early 70s model of an Italian Maserati Merak S5 during a classic cars show at Saadabad palace in Tehran on August 5, 2014. About 70 classic cars belonging to individuals and private collectors are displayed. (AFP)

An Iranian couple walks past a 1964 American Chevrolet Impala SS during a classic cars show at Saadabad palace in Tehran on August 5, 2014. About 70 classic cars belonging to individuals and private collectors are displayed. (AFP)

An Iranian girl walks past a 1955 American Chevrolet "Bel Air" during a classic cars show at Saadabad palace in Tehran on August 5, 2014. About 70 classic cars belonging to individuals and private collectors are displayed. (AFP)

An Iranian woman walks past French classic cars, a 1974 Citroen "Baby Brousse", a 1978 Citroen Dyane and German Volkswagen Beetle during a classic cars show at Saadabad palace in Tehran on August 5, 2014. About 70 classic cars belonging to individuals and private collectors are displayed. (AFP)

Iranian Ali Jafari Moghaddam closes the door of his classic French 1974 Citroen DS during a classic cars show at Saadabad palace in Tehran on August 5, 2014. About 70 classic cars belonging to individuals and private collectors are displayed. (AFP)

An Iranian woman walks past an early 70s model of an Italian Maserati Merak S5 during a classic cars show at Saadabad palace in Tehran on August 5, 2014. About 70 classic cars belonging to individuals and private collectors are displayed. (AFP)

An Iranian man cleans his 1978 American Pontiac Trans AM during a classic cars show at Saadabad palace in Tehran on August 5, 2014. About 70 classic cars belonging to individuals and private collectors are displayed. (AFP)

An Iranian woman takes pictures next to a 1969 American Chevrolet Camaro RS during a classic cars show at Saadabad palace in Tehran on August 5, 2014. About 70 classic cars belonging to individuals and private collectors are displayed. (AFP)

An Iranian woman takes pictures next to a 1978 American Chevrolet Camaro LT during a classic cars show at Saadabad palace in Tehran on August 5, 2014. About 70 classic cars belonging to individuals and private collectors are displayed. (AFP)

An Iranian family takes pictures with a German 1961 convertible Mercedes Benz 300 SE during a classic cars show at Saadabad palace in Tehran on August 5, 2014. About 70 classic cars belonging to individuals and private collectors are displayed. (AFP)

An Iranian woman looks at a German 1961 convertible Mercedes Benz 300 SE during a classic cars show at Saadabad palace in Tehran on August 5, 2014. About 70 classic cars belonging to individuals and private collectors are displayed. (AFP)

Iranian men look at an early 70s model of an Italian Maserati Merak S5 during a classic cars show at Saadabad palace in Tehran on August 5, 2014. About 70 classic cars belonging to individuals and private collectors are displayed. (AFP)

An Iranian couple walks past a 1964 American Chevrolet Impala SS during a classic cars show at Saadabad palace in Tehran on August 5, 2014. About 70 classic cars belonging to individuals and private collectors are displayed. (AFP)

An Iranian girl walks past a 1955 American Chevrolet "Bel Air" during a classic cars show at Saadabad palace in Tehran on August 5, 2014. About 70 classic cars belonging to individuals and private collectors are displayed. (AFP)

An Iranian woman walks past French classic cars, a 1974 Citroen "Baby Brousse", a 1978 Citroen Dyane and German Volkswagen Beetle during a classic cars show at Saadabad palace in Tehran on August 5, 2014. About 70 classic cars belonging to individuals and private collectors are displayed. (AFP)

Iranian Ali Jafari Moghaddam closes the door of his classic French 1974 Citroen DS during a classic cars show at Saadabad palace in Tehran on August 5, 2014. About 70 classic cars belonging to individuals and private collectors are displayed. (AFP)

An Iranian woman walks past an early 70s model of an Italian Maserati Merak S5 during a classic cars show at Saadabad palace in Tehran on August 5, 2014. About 70 classic cars belonging to individuals and private collectors are displayed. (AFP)

An Iranian man cleans his 1978 American Pontiac Trans AM during a classic cars show at Saadabad palace in Tehran on August 5, 2014. About 70 classic cars belonging to individuals and private collectors are displayed. (AFP)

An Iranian woman takes pictures next to a 1969 American Chevrolet Camaro RS during a classic cars show at Saadabad palace in Tehran on August 5, 2014. About 70 classic cars belonging to individuals and private collectors are displayed. (AFP)

An Iranian woman takes pictures next to a 1978 American Chevrolet Camaro LT during a classic cars show at Saadabad palace in Tehran on August 5, 2014. About 70 classic cars belonging to individuals and private collectors are displayed. (AFP)

An Iranian family takes pictures with a German 1961 convertible Mercedes Benz 300 SE during a classic cars show at Saadabad palace in Tehran on August 5, 2014. About 70 classic cars belonging to individuals and private collectors are displayed. (AFP)

An Iranian woman looks at a German 1961 convertible Mercedes Benz 300 SE during a classic cars show at Saadabad palace in Tehran on August 5, 2014. About 70 classic cars belonging to individuals and private collectors are displayed. (AFP)

Iranian men look at an early 70s model of an Italian Maserati Merak S5 during a classic cars show at Saadabad palace in Tehran on August 5, 2014. About 70 classic cars belonging to individuals and private collectors are displayed. (AFP)

An Iranian couple walks past a 1964 American Chevrolet Impala SS during a classic cars show at Saadabad palace in Tehran on August 5, 2014. About 70 classic cars belonging to individuals and private collectors are displayed. (AFP)

An Iranian girl walks past a 1955 American Chevrolet "Bel Air" during a classic cars show at Saadabad palace in Tehran on August 5, 2014. About 70 classic cars belonging to individuals and private collectors are displayed. (AFP)

An Iranian woman walks past French classic cars, a 1974 Citroen "Baby Brousse", a 1978 Citroen Dyane and German Volkswagen Beetle during a classic cars show at Saadabad palace in Tehran on August 5, 2014. About 70 classic cars belonging to individuals and private collectors are displayed. (AFP)

Iranian Ali Jafari Moghaddam closes the door of his classic French 1974 Citroen DS during a classic cars show at Saadabad palace in Tehran on August 5, 2014. About 70 classic cars belonging to individuals and private collectors are displayed. (AFP)